NTSB Identification: NYC00FA063.
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Accident occurred Thursday, January 06, 2000 in OLD FORGE, PA
Probable Cause Approval Date: 03/02/2001
Aircraft: Cessna 310N, registration: N70CM
Injuries: 2 Fatal.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
Several witnesses saw the airplane before impact, and heard engine noise oscillating between no power and high power. Examination of the wreckage revealed that the two main fuel tanks were ruptured and charred, but the two auxiliary fuel tanks were not compromised, and appeared absent of fuel. Only drops of fuel were found in the mechanical fuel pumps, fuel lines from the pumps to the mixture controls, and the fuel lines from the mixture controls to the injection manifolds. Examination of the airframe, engines, and propellers, did not reveal any pre-impact mechanical malfunctions. Review of the fueling records revealed that all four tanks were completely fueled about 1 month prior to the accident. The airplane was operated several times after that fueling, and fuel was added to the main fuel tanks on four occasions before the accident. However, fuel was never added to the auxiliary fuel tanks. Although both auxiliary fuel tanks appeared absent of fuel at the accident site, the investigative team was unable to confirm the fuel selector positions prior to impact. The flight instructor had about 50 hours of flight experience in the make and model accident airplane, and the pilot/owner had about 100 hours of flight experience in the accident airplane.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: Both pilots' failure to adequately manage the fuel supply, which resulted in fuel starvation. Full narrative available
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